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// Copyright 1996-2023 Cyberbotics Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DIRECTIONAL_LIGHT_HPP
#define DIRECTIONAL_LIGHT_HPP
#include "Constants.hpp"
#include "LightNode.hpp"
namespace wren {
// Represents an infinitely far-away light source.
// Although it inherits from Node and can be attached to a Transform, the effect of doing so is nil.
class DirectionalLight : public LightNode {
public:
// Encapsulate memory management
static DirectionalLight *createDirectionalLight() { return new DirectionalLight(); }
const glm::vec3 &direction() const { return mDirection; }
void setDirection(const glm::vec3 &direction);
LightNode::Type type() override { return TYPE_DIRECTIONAL; }
void updateFromParent() override {}
private:
DirectionalLight();
virtual ~DirectionalLight();
void recomputeAabb() const override { mAabb = gAabbInf; }
void recomputeBoundingSphere() const override { mBoundingSphere = gSphereInf; }
glm::vec3 mDirection;
};
} // namespace wren
#endif // DIRECTIONAL_LIGHT_HPP